Question: Which religious affiliation of Qara Khitai is under the domain of Buddhist studies?
Paraphrase: Which non secular affiliation of Qara Khitai is below the area of Buddhist studies?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q862304 wdt:P140 ?answer . ?answer wdt:P2579 wd:Q1000976}
Answer: Buddhism